Syafitri, R. and Maisaroh, E. 2025. Improving Students’ Speaking Ability Through Picture Series: A Classroom Action Research at MTs Darul Ulum Budi Agung Medan . Nusantara: Jurnal Pendidikan Indonesia. 5, 4 (Oct. 2025), 994–1006. DOI:https://doi.org/10.62491/njpi.2025.v5i4-12.